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Re: [commit+7.5] [patchv2] Write bpt at the ON_STACK bpt address
- From: Edjunior Barbosa Machado <emachado at linux dot vnet dot ibm dot com>
- To: Jan Kratochvil <jan dot kratochvil at redhat dot com>
- Cc: Philippe Waroquiers <philippe dot waroquiers at skynet dot be>, Pedro Alves <palves at redhat dot com>, Joel Brobecker <brobecker at adacore dot com>, gdb-patches at sourceware dot org, "Maciej W. Rozycki" <macro at codesourcery dot com>
- Date: Thu, 02 Aug 2012 19:49:08 -0300
- Subject: Re: [commit+7.5] [patchv2] Write bpt at the ON_STACK bpt address
- References: <5012B1B6.1030003@redhat.com> <1343339398.2258.119.camel@soleil> <20120727184633.GA14182@host2.jankratochvil.net> <20120731073643.GA18696@host2.jankratochvil.net>
On 07/31/2012 04:36 AM, Jan Kratochvil wrote:
>> gdb/testsuite/
>> 2012-07-27 Jan Kratochvil <jan.kratochvil@redhat.com>
>>
>> * gdb.base/valgrind-infcall.c: New file.
>> * gdb.base/valgrind-infcall.exp: New file.
I've faced this internal-error when running this testcase on Fedora17 (which has valgrind-3.7.0) on ppc64:
...
(gdb) PASS: gdb.base/valgrind-infcall.exp: continue #1 (false warning)
continue
Continuing.
==7541== Invalid free() / delete / delete[] / realloc()
==7541== at 0x40458BC: free (vg_replace_malloc.c:427)
==7541== by 0x10000763: main (valgrind-infcall.c:38)
==7541== Address 0x4070040 is 0 bytes inside a block of size 1 free'd
==7541== at 0x40458BC: free (vg_replace_malloc.c:427)
==7541== by 0x10000757: main (valgrind-infcall.c:37)
==7541==
==7541== (action on error) vgdb me ...
Program received signal SIGTRAP, Trace/breakpoint trap.
../../gdb.git/gdb/frame.c:2396: internal-error: frame_cleanup_after_sniffer: Assertion `frame->prologue_cache == NULL' failed.
A problem internal to GDB has been detected,
FAIL: gdb.base/valgrind-infcall.exp: continue (GDB internal error)
further debugging may prove unreliable.
Quit this debugging session? (y or n) n
With this error, gdb connection is closed and the testsuite gets stuck at this point.
--
Edjunior